Heavy Duty Gold X-Ring Drive Chain: Kawasaki GPZ305 GPZ 305 (1983) KTM XC250 then this could be the

then this could be the solution

Mounting: 90mm or 100mm centre to centre mounting

Honda CB 750 SC Nighthawk (1982-1983)

If you're having spark issues (weak or no spark) with your Yamaha WR250 then the ignition coil / coils could be the culprit and it may be worthwhile changing your ignition coils for brand new high quality replacements

Yamaha XV 250 Virago (1989-1999)

Heavy Duty Gold X-Ring Drive Chain: Kawasaki GPZ305 GPZ 305 (1983) KTM XC250 then this could be theBrand new drive chain to fit: Kawasaki GPZ 305 (EX305 A) (1983). This heavy duty gold X ring chain has been manufactured to replace the original chain on a Kawasaki GPZ305 for the years and models shown above. Pitch Width Links 530 100 Colour Gold Seal Type X Ring Master Link Type Clip and Rivet Included Please check size, colour and seal type prior to purchasing. If you require a different size, you can find our full list of sizes by clicking HERE